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Monoamniotic twins are identical or semi-identical twins that share the same amniotic sac within their mother's uterus. [1] Monoamniotic twins are always monochorionic and are usually termed Monoamniotic-Monochorionic ("MoMo" or "Mono Mono") twins. [1] [2] They share the placenta, but have two separate umbilical cords.
The sex of the fetus may be discerned by ultrasound as early as 11 weeks' gestation. The accuracy is relatively imprecise when attempted early. [15] [16] [17] After 13 weeks' gestation, a high accuracy of between 99% and 100% is possible if the fetus does not display intersex external characteristics. [18]
The presence of a "T-sign" at the inter-twin membrane-placental junction is indicative of monochorionic-diamniotic twins (that is, the junction between the inter-twin membrane and the external rim forms a right angle), whereas dichorionic twins present with a "lambda (λ) sign" (that is, the chorion forms a wedge-shaped protrusion into the ...
Evelyn, Adeline, David and Daniel were born at 27 weeks gestation. The smallest baby was Adeline, who weighed 1 pound, 10.5 ounces, while Evelyn, the largest of the bunch, weighed 2 pounds, 9 ounces.
After identical twin sisters from Delaware married identical twin brothers from Tennessee, the children they are raising together share in a rare biological phenomenon. When identical twin sisters ...
An unbelievable story - an Akron, Ohio, hospital welcomed a second set of extremely rare bundles of joy this week. ABC reports: "Just days after these rare mono mono twin girls were born holding ...
A study in 2013 involving 106 participating centers in 25 countries came to the conclusion that, in a twin pregnancy of a gestational age between 32 weeks 0 days and 38 weeks 6 days, and the first twin is in cephalic presentation, planned Cesarean section does not significantly decrease or increase the risk of fetal or neonatal death or serious ...
Six months later, the twins are thriving and the global attention has died down, but the siblings still inseparable. ... Jenna and Jillian Thistlethwaite were born at 33 weeks on May 9 sharing an ...